Communication Manual

Chapter 1 About this document 5
Supported Modbus functions:
1 = Read Coils
2 = Read Discrete Input
3 = Read Holding Register
4 = Read Input Register
5 = Write Single Coil
6 = Write Single Register
15 = Write Multiple Coils
16 = Write Multiple Registers
BACnet type
The BACnet type of signals:
10XXX = Read and write binary
20XXX = Read binary
30XXX = Read and write analogue
40XXX = Read analogue
30XXX = Read and write multistate
40XXX = Read multistate
(Where XXX = Modbus address)
NOTE: In the variable lists contained in this manual, the following abbrevations are used:
AV = Analogue Value
BV = Binary Value
MSV = Multistate Value